45 lines
989 B
Go
45 lines
989 B
Go
package errors
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import (
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"errors"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestErrorWithCauseChain(t *testing.T) {
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err := &Err{
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Message: "err1",
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Code: AssertionError,
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Cause: &Err{
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Message: "err2",
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Code: AssertionError,
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Cause: errors.New("err3"),
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},
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}
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expected := `AssertionError: err1
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caused by AssertionError: err2
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caused by err3`
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assert.Equal(t, expected, ErrorWithCauseChain(err))
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assert.Equal(t, "<err=nil>", ErrorWithCauseChain(nil))
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}
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func TestCombineErrors(t *testing.T) {
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assert.NoError(t, CombineErrs("hello", AdbError))
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assert.NoError(t, CombineErrs("hello", AdbError, nil, nil))
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err1 := errors.New("lulz")
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err2 := errors.New("fail")
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err := CombineErrs("hello", AdbError, nil, err1, nil)
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assert.EqualError(t, err, "lulz")
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err = CombineErrs("hello", AdbError, err1, err2)
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assert.EqualError(t, err, "AdbError: hello")
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assert.Equal(t, `AdbError: hello
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caused by 2 errors: [lulz ∪ fail]`, ErrorWithCauseChain(err))
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}
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